02HX42ZInsertion of Monitoring Device into Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach
- Billable / Specific Code
02HX42Z is a billable ICD-10-PCS procedure code for Insertion of Monitoring Device into Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 270, 271, 272. The root operation Insertion involves putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | 2 | Heart and Great Vessels |
| 3 | Operation | H | Insertion |
| 4 | BodyPart | X | Thoracic Aorta, Ascending/Arch |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | 2 | Monitoring Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 02HX42Z under the General Equivalence Mappings.
Code History
- 02HW42Z — Insert Monitor Dev in Thor Aorta Desc, Perc Endo
Similar Procedure Codes
Questions About 02HX42Z
Is 02HX42Z a billable code?
Yes. 02HX42Z is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Monitoring Device into Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 02HX42Z mean?
02HX42Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 2 is the Body System (Heart and Great Vessels); the 3rd character H is the Operation (Insertion); the 4th character X is the BodyPart (Thoracic Aorta, Ascending/Arch); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 2 is the Device (Monitoring Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 02HX42Z group to?
On an inpatient stay, Insertion of Monitoring Device into Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach maps to MS-DRGs 270, 271, 272, with relative weights from 2.5530 to 5.2763. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 02HX42Z?
Under the General Equivalence Mappings, Insertion of Monitoring Device into Thoracic Aorta, Ascending/Arch, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 38.05. The mapping is approximate, so confirm it fits the documentation.
